Ticket #48228 - wrong password check if passwordInHistory is decreased.
Description: Regression was added by this commit:
commit 1a119125856006543aae0520b5800a8b52c3b049
Ticket #48228 - wrong password check if passwordInHistory is decreased.
Compare function pw_history_cmp used in qsort did not check the correct
address for the timestamp string, which made qsort return the password
history in the wrong order.
https://fedorahosted.org/389/ticket/48228
Reviewed by rmeggins@redhat.com (Thank you, Rich!)